This work is not mentioned in the Retractations probably because it is a letter and as such it is reckoned by Possidius cap 7 It is also marked as St Augustines by its references to his other works De Bono Conjugali etc cap 15 Ep to Proba cap 23 The date is marked by the recent consecration of Demetrias which was in 413 The admonition for which he is thanked by Juliana Epistle 188 may be that against Pelagianism...